diff --git a/.github/workflows/build-macosx.yml b/.github/workflows/build-macosx.yml
index 5961455..6d0125c 100644
--- a/.github/workflows/build-macosx.yml
+++ b/.github/workflows/build-macosx.yml
@@ -10,6 +10,11 @@ jobs:
     runs-on: macos-11
     steps:
       - uses: actions/checkout@v1
+      -
+        name: Setup environment
+        run: |
+          chmod +x scripts/install_macos_dependencies.sh
+          ./install_macos_dependencies.sh
       -
         name: Build
         run: |
@@ -25,6 +30,11 @@ jobs:
     runs-on: macos-11
     steps:
       - uses: actions/checkout@v1
+      -
+        name: Setup environment
+        run: |
+          chmod +x scripts/install_macos_dependencies.sh
+          ./install_macos_dependencies.sh
       -
         name: Build
         run: |
diff --git a/scripts/install_macos_dependencies.sh b/scripts/install_macos_dependencies.sh
new file mode 100644
index 0000000..b2429a1
--- /dev/null
+++ b/scripts/install_macos_dependencies.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+brew install ninja